Main entry: hesitation, falter, faltering, waver
Definition: the act of pausing uncertainly
Usage: there was a hesitation in his speech
Main entry: bumble, falter, stammer, stutter
Definition: speak haltingly
Usage: The speaker faltered when he saw his opponent enter the room
Main entry: stumble, falter, bumble
Definition: walk unsteadily
Usage: The drunk man stumbled about
Definition: move hesitatingly, as if about to give way
Definition: be unsure or weak
Usage: Their enthusiasm is faltering